Carbon-13 NMR study of poly(alpha-methylstyrene)

Citation
Rf. Nogueira et Mib. Tavares, Carbon-13 NMR study of poly(alpha-methylstyrene), POLYM TEST, 20(4), 2001, pp. 379-382
Citations number
8
Categorie Soggetti
Material Science & Engineering
Journal title
POLYMER TESTING
ISSN journal
01429418 → ACNP
Volume
20
Issue
4
Year of publication
2001
Pages
379 - 382
Database
ISI
SICI code
0142-9418(2001)20:4<379:CNSOP>2.0.ZU;2-R
Abstract
Nuclear magnetic resonance spectroscopy (NMR) in solution and solid state w as applied to obtain response of the chemical behaviour of commercial poly( alpha-methylstyrene) (PAMS). From solution measurements it was possible to determine the microstructure of this amorphous homopolymer. The solid state NMR investigation showed that the CPMAS C-13 routine spectrum allowed us t o obtain information on the polymer microstructure and also evaluate the do main mobilities. The variation contact time and the proton spin-lattice rel axation time were determinant factors to evaluate the dynamic molecular mot ion. (C) 2001 Published by Elsevier Science Ltd.